feat(elasticloadbalancingv2): support target group health attributes (#33351)

feat(elasticloadbalancingv2): support target group health attributes

### Issue # (if applicable)

Closes #31821

### Reason for this change
elasticloadbalancingv2 support target group health attributes

### Description of changes
TargetGroup support 4 heatlh attributes:
- `target_group_health.unhealthy_state_routing.minimum_healthy_targets.percentage`
- `target_group_health.dns_failover.minimum_healthy_targets.percentage`
- `target_group_health.unhealthy_state_routing.minimum_healthy_targets.count`
- `target_group_health.dns_failover.minimum_healthy_targets.count`

Cleanup setup duplication in unit test.

### Describe any new or updated permissions being added

### Description of how you validated changes
Unit + Integ

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: phuhung273